PAC Glue between Samba and the KDC
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005-2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include "includes.h"
-#include "dsdb/common/flags.h"
+#include "../libds/common/flags.h"
#include "lib/ldb/include/ldb.h"
#include "librpc/gen_ndr/ndr_krb5pac.h"
#include "librpc/gen_ndr/krb5pac.h"
#include "auth/auth.h"
#include "auth/auth_sam.h"
#include "auth/auth_sam_reply.h"
-#include "param/param.h"
#include "kdc/kdc.h"
+#include "param/param.h"
struct krb5_dh_moduli;
struct _krb5_krb_auth_data;
-krb5_error_code samba_kdc_plugin_init(krb5_context context, void **ptr)
+static krb5_error_code samba_kdc_plugin_init(krb5_context context, void **ptr)
{
*ptr = NULL;
return 0;
}
-void samba_kdc_plugin_fini(void *ptr)
+static void samba_kdc_plugin_fini(void *ptr)
{
return;
}
return ret;
}
-/* Given the right private pointer from hdb_ldb, get a PAC from the attached ldb messages */
-krb5_error_code samba_kdc_get_pac(void *priv,
- krb5_context context,
- struct hdb_entry_ex *client,
- krb5_pac *pac)
+/* Given the right private pointer from hdb_samba4, get a PAC from the attached ldb messages */
+static krb5_error_code samba_kdc_get_pac(void *priv,
+ krb5_context context,
+ struct hdb_entry_ex *client,
+ krb5_pac *pac)
{
krb5_error_code ret;
NTSTATUS nt_status;
struct auth_serversupplied_info *server_info;
- struct hdb_ldb_private *private = talloc_get_type(client->ctx, struct hdb_ldb_private);
- TALLOC_CTX *mem_ctx = talloc_named(private, 0, "samba_get_pac context");
+ struct hdb_samba4_private *p = talloc_get_type(client->ctx, struct hdb_samba4_private);
+ TALLOC_CTX *mem_ctx = talloc_named(p, 0, "samba_get_pac context");
unsigned int userAccountControl;
if (!mem_ctx) {
}
/* The user account may be set not to want the PAC */
- userAccountControl = ldb_msg_find_attr_as_uint(private->msg, "userAccountControl", 0);
+ userAccountControl = ldb_msg_find_attr_as_uint(p->msg, "userAccountControl", 0);
if (userAccountControl & UF_NO_AUTH_DATA_REQUIRED) {
*pac = NULL;
return 0;
}
- nt_status = authsam_make_server_info(mem_ctx, private->samdb,
- private->netbios_name,
- private->msg,
- private->realm_ref_msg,
+ nt_status = authsam_make_server_info(mem_ctx, p->samdb,
+ lp_netbios_name(p->lp_ctx),
+ lp_sam_name(p->lp_ctx),
+ p->realm_dn,
+ p->msg,
data_blob(NULL, 0),
data_blob(NULL, 0),
&server_info);
return ENOMEM;
}
- ret = make_pac(context, mem_ctx, private->iconv_convenience, server_info, pac);
+ ret = make_pac(context, mem_ctx, p->iconv_convenience, server_info, pac);
talloc_free(mem_ctx);
return ret;
/* Resign (and reform, including possibly new groups) a PAC */
-krb5_error_code samba_kdc_reget_pac(void *priv, krb5_context context,
- const krb5_principal client_principal,
- struct hdb_entry_ex *client,
- struct hdb_entry_ex *server, krb5_pac *pac)
+static krb5_error_code samba_kdc_reget_pac(void *priv, krb5_context context,
+ const krb5_principal client_principal,
+ struct hdb_entry_ex *client,
+ struct hdb_entry_ex *server, krb5_pac *pac)
{
krb5_error_code ret;
unsigned int userAccountControl;
- struct hdb_ldb_private *private = talloc_get_type(server->ctx, struct hdb_ldb_private);
+ struct hdb_samba4_private *p = talloc_get_type(server->ctx, struct hdb_samba4_private);
struct auth_serversupplied_info *server_info_out;
- TALLOC_CTX *mem_ctx = talloc_named(private, 0, "samba_get_pac context");
+ TALLOC_CTX *mem_ctx = talloc_named(p, 0, "samba_get_pac context");
if (!mem_ctx) {
return ENOMEM;
}
/* The service account may be set not to want the PAC */
- userAccountControl = ldb_msg_find_attr_as_uint(private->msg, "userAccountControl", 0);
+ userAccountControl = ldb_msg_find_attr_as_uint(p->msg, "userAccountControl", 0);
if (userAccountControl & UF_NO_AUTH_DATA_REQUIRED) {
talloc_free(mem_ctx);
*pac = NULL;
return 0;
}
- ret = kerberos_pac_to_server_info(mem_ctx, private->iconv_convenience,
+ ret = kerberos_pac_to_server_info(mem_ctx, p->iconv_convenience,
*pac, context, &server_info_out);
/* We will compleatly regenerate this pac */
return ret;
}
- ret = make_pac(context, mem_ctx, private->iconv_convenience, server_info_out, pac);
+ ret = make_pac(context, mem_ctx, p->iconv_convenience, server_info_out, pac);
talloc_free(mem_ctx);
return ret;
* the account_ok routine in auth/auth_sam.c for consistancy */
-krb5_error_code samba_kdc_check_client_access(void *priv,
- krb5_context context, hdb_entry_ex *entry_ex,
- KDC_REQ *req,
- krb5_data *e_data)
+static krb5_error_code samba_kdc_check_client_access(void *priv,
+ krb5_context context,
+ krb5_kdc_configuration *config,
+ hdb_entry_ex *client_ex, const char *client_name,
+ hdb_entry_ex *server_ex, const char *server_name,
+ KDC_REQ *req,
+ krb5_data *e_data)
{
krb5_error_code ret;
NTSTATUS nt_status;
- TALLOC_CTX *tmp_ctx = talloc_new(entry_ex->ctx);
- struct hdb_ldb_private *private = talloc_get_type(entry_ex->ctx, struct hdb_ldb_private);
- char *name, *workstation = NULL;
+ TALLOC_CTX *tmp_ctx;
+ struct hdb_samba4_private *p;
+ char *workstation = NULL;
HostAddresses *addresses = req->req_body.addresses;
int i;
+ bool password_change;
+
+ tmp_ctx = talloc_new(client_ex->ctx);
+ p = talloc_get_type(client_ex->ctx, struct hdb_samba4_private);
if (!tmp_ctx) {
return ENOMEM;
}
- ret = krb5_unparse_name(context, entry_ex->entry.principal, &name);
- if (ret != 0) {
- talloc_free(tmp_ctx);
- return ret;
- }
-
if (addresses) {
for (i=0; i < addresses->len; i++) {
if (addresses->val->addr_type == KRB5_ADDRESS_NETBIOS) {
}
}
+ password_change = (server_ex && server_ex->entry.flags.change_pw);
+
+ /* we allow all kinds of trusts here */
nt_status = authsam_account_ok(tmp_ctx,
- private->samdb,
+ p->samdb,
MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT | MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT,
- private->msg,
- private->realm_ref_msg,
+ p->realm_dn,
+ p->msg,
workstation,
- name);
- free(name);
-
- if (NT_STATUS_IS_OK(nt_status))
- return 0;
-
- if (NT_STATUS_EQUAL(nt_status, NT_STATUS_PASSWORD_MUST_CHANGE))
- ret = KRB5KDC_ERR_KEY_EXPIRED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_PASSWORD_EXPIRED))
- ret = KRB5KDC_ERR_KEY_EXPIRED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_EXPIRED))
- ret = KRB5KDC_ERR_CLIENT_REVOKED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_DISABLED))
- ret = KRB5KDC_ERR_CLIENT_REVOKED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_INVALID_LOGON_HOURS))
- ret = KRB5KDC_ERR_CLIENT_REVOKED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_LOCKED_OUT))
- ret = KRB5KDC_ERR_CLIENT_REVOKED;
- else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_INVALID_WORKSTATION))
- ret = KRB5KDC_ERR_POLICY;
- else
- ret = KRB5KDC_ERR_POLICY;
-
- samba_kdc_build_edata_reply(tmp_ctx, e_data, nt_status);
+ client_name, true, password_change);
+
+ if (NT_STATUS_IS_OK(nt_status)) {
+ /* Now do the standard Heimdal check */
+ ret = kdc_check_flags(context, config,
+ client_ex, client_name,
+ server_ex, server_name,
+ req->msg_type == krb_as_req);
+ } else {
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_PASSWORD_MUST_CHANGE))
+ ret = KRB5KDC_ERR_KEY_EXPIRED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_PASSWORD_EXPIRED))
+ ret = KRB5KDC_ERR_KEY_EXPIRED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_EXPIRED))
+ ret = KRB5KDC_ERR_CLIENT_REVOKED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_DISABLED))
+ ret = KRB5KDC_ERR_CLIENT_REVOKED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_INVALID_LOGON_HOURS))
+ ret = KRB5KDC_ERR_CLIENT_REVOKED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCOUNT_LOCKED_OUT))
+ ret = KRB5KDC_ERR_CLIENT_REVOKED;
+ else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_INVALID_WORKSTATION))
+ ret = KRB5KDC_ERR_POLICY;
+ else
+ ret = KRB5KDC_ERR_POLICY;
+
+ samba_kdc_build_edata_reply(tmp_ctx, e_data, nt_status);
+ }
return ret;
}
+struct krb5plugin_windc_ftable windc_plugin_table = {
+ .minor_version = KRB5_WINDC_PLUGING_MINOR,
+ .init = samba_kdc_plugin_init,
+ .fini = samba_kdc_plugin_fini,
+ .pac_generate = samba_kdc_get_pac,
+ .pac_verify = samba_kdc_reget_pac,
+ .client_access = samba_kdc_check_client_access,
+};
+
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